A batch process is operated with the following sequence. The feed to the batch process consists of a solution of 500 L of ethanol with 120 mole of A and 120 mole of B. If the temperature of the solution is sufficient, A and B will react to form P (the desired product): A (eth) + B (eth) → P (s) DHreact = − 250 kJ/mol (1) Note that the product P is sparingly soluble in ethanol, which helps facilitate its removal from the reaction solution. It can be assumed that the reaction rate is first-order in both the concentration of A (cA ) and B (cB ), and so second-order overall: For ethanol, the maximum solubility values are 0.6 mol/L and 0.25 mol/L for components A and B respectively at 50°C. These are the maximum amounts that will dissolve in the solvent. If more A and B is added, this will remain in the solid phase. What is the amount of P dissolved in solution?
A batch process is operated with the following sequence. The feed to the batch process consists of a solution of 500 L of ethanol with 120 mole of A and 120 mole of B. If the temperature of the solution is sufficient, A and B will react to form P (the desired product): A (eth) + B (eth) → P (s) DHreact = − 250 kJ/mol (1) Note that the product P is sparingly soluble in ethanol, which helps facilitate its removal from the reaction solution. It can be assumed that the reaction rate is first-order in both the concentration of A (cA ) and B (cB ), and so second-order overall: For ethanol, the maximum solubility values are 0.6 mol/L and 0.25 mol/L for components A and B respectively at 50°C. These are the maximum amounts that will dissolve in the solvent. If more A and B is added, this will remain in the solid phase. What is the amount of P dissolved in solution?
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A batch process is operated with the following sequence. The feed to the batch process consists of a solution of 500 L of ethanol with 120 mole of A and 120 mole of B. If the temperature of the solution is sufficient, A and B will react to form P (the desired product):
A (eth) + B (eth) → P (s)
DHreact
=
−
250
kJ/mol
(1)
Note that the product P is sparingly soluble in ethanol, which helps facilitate its removal from the reaction solution. It can be assumed that the reaction rate is first-order in both the concentration of A (cA ) and B (cB ), and so second-order overall:
For ethanol, the maximum solubility values are 0.6 mol/L and 0.25 mol/L for components A and B respectively at 50°C. These are the maximum amounts that will dissolve in the solvent. If more A and B is added, this will remain in the solid phase.
What is the amount of P dissolved in solution?
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